•No changes
•New Acceptance Test:
o Occupied Standby (NRCA-MCH-19 -A)
•Major Modifications:
o Demand-responsive controls now require documentation confirming they either are a certified OpenADR VEN or are certified to the Energy Commission as capable of communicating with an OpenADR VEN.
o Automatic Fault Detection and Diagnostics (FDD) for air handling units and zone terminal units (NRCA-MCH-13-A)
o Separation of Air Handling Unit functional test into functional tests for economizers and valves.
o Significant modifications to functional test for air handling unit economizers.
o New functional test added for air handling unit valves.
•Minor Clarifications
o Air distribution systems (NRCA-MCH-04-E), allowed alternative to HERS Rater verification with certified ATT.
•New Acceptance Tests: None.
•Major Modifications:
o Demand-responsive controls now require documentation confirming they either are a certified OpenADR VEN or are certified to the Energy Commission as capable of communicating with an OpenADR VEN.
o The functional testing for outdoor lighting controls (NRCA-LTO-02-A) has been simplified.
•Minor clarifications:
o The role of the lighting controls ATT is clarified for the power adjustment factor allowances as a document reviewer only.
o There are minor revisions to the lighting controls (NRCA-LTI-02-A) automatic time switch lighting controls functional testing procedures.
•New Acceptance Tests:
o Laboratory Exhaust Ventilation System Acceptance Test (NRCA-PRC-14-F)
o Fume Hood Automatic Sash Closure System Acceptance Test (NRCA-PRC-15-F)
o Adiabatic Condensers and Condenser Fan Motor Variable Speed Control (NRCA-PRC-16-F).
•Major Modifications: None.
•Minor Clarifications: None.